Accessing Memcached Cluster
To access the nodes in a cluster we use the Endpoint associated with node. We have already seen how to check for the endpoints. We will see the cluster how…
Stream Editor – Workflow
In this chapter, we will explore how SED exactly works. To become an expert SED user, one needs to know its internals. SED follows a simple workflow: Read, Execute, and…
Stream Editor – Environment
This chapter describes how to set up the SED environment on your GNU/Linux system. Installation Using Package Manager Generally, SED is available by default on most GNU/Linux distributions. Use which command to…
XSD – Complex Element Only
Complex Elements Only can only have other elements. See the following example − <student> <firstname>Vaneet</firstname> <lastname>Gupta</lastname> <nickname>Vinni</nickname> <marks>95</marks> </student> We can declare Complex element-only element using the following methods −…
Sed Tutorial
This tutorial takes you through all about Stream EDitor (Sed), one of the most prominent text-processing utilities on GNU/Linux. Similar to many other GNU/Linux utilities, it is stream-oriented and uses…
AWS ElastiCache – Memcached and Redis
Amazon ElastiCache supports the Redis and Memcached cache engines. Redis is an open-source in-memory data structure implementing a distributed, in-memory key-value database. Memcached is also a distributed memory caching system.…
XSD – Complex Empty Element
Complex Empty Element can only have attribute, but no content. See the following example − <student rollno = "393" /> We can declare Complex Empty elements using the following methods…
RSpec – Expectations
When you learn RSpec, you may read a lot about expectations and it can be a bit confusing at first. There are two main details you should keep in mind…
XSD – Complex Types
Complex Element is an XML element which can contain other elements and/or attributes. We can create a complex element in two ways − Define a complex type and then create…
AWS ElastiCache – Monitoring Node-Metrics
To monitor the usage and health of clusters, ElastiCache provides metrics which can be accessed through CloudWatch. These metrics can be host-level metrics. CPU utilization is an example of host-level…
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